CN106976208A - A kind of mould structure for avoiding product from staying cover half - Google Patents
A kind of mould structure for avoiding product from staying cover half Download PDFInfo
- Publication number
- CN106976208A CN106976208A CN201710194350.XA CN201710194350A CN106976208A CN 106976208 A CN106976208 A CN 106976208A CN 201710194350 A CN201710194350 A CN 201710194350A CN 106976208 A CN106976208 A CN 106976208A
- Authority
- CN
- China
- Prior art keywords
- cover half
- dynamic model
- product
- bar
- depression bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Abstract
The invention discloses a kind of mould structure for avoiding product from staying cover half, including the fixed half and moving half with forming part and corresponding ejecting mechanism, the position of correspondence forming part is provided with axially slidable depression bar on cover half, dynamic model is provided with depression bar lockable mechanism, cover half is provided with depression bar unlocking mechanism, when dynamic model is with cover half point mould after formed product, depression bar lockable mechanism makes depression bar keep lockup state with dynamic model, so that depression bar compresses product and dynamic model synchronizing moving；When the forming part that dynamic model is moved to product and cover half is disengaged, depression bar unlocking mechanism releases locking of the depression bar lockable mechanism to depression bar, and dynamic model is continued to move to, and depression bar is then rested on cover half and separated with dynamic model；When dynamic model and cover half divide mould in place, ejecting mechanism ejects product, you can product is removed from dynamic model.The present invention is not only simple in structure reliably, and can ensure that dynamic model side is rested on after formed product, is efficiently solved product distortion deformation, is even rested on the problem of leading to not pickup on cover half.
Description
Technical field
The present invention relates to a kind of injection mold, more particularly, to a kind of mould structure for avoiding product from staying cover half.
Background technology
Plastic cement products are very universal in production and daily life, and wherein injection molding is then most commonly seen one
Plasthetics molding mode is planted, it generally includes the cover half on the upside of die joint, the dynamic model on the downside of die joint and top plate etc., wherein
Cover half be provided with sprue bush, be respectively equipped with forming part corresponding with the upper and lower surface of product on fixed half and moving half.For
The forming part for enabling the product after shaping to rest on dynamic model side, usual cover half is corresponding with the profile of product die cavity,
And the forming part on dynamic model is core corresponding with the inner chamber of product.When injection mold is fixed on injection machine, injection machine
Injecting head projects the molten plastic cement of high pressure, and plastic cement enters the molding cavity being made up of die cavity and core by the running channel that enters of cover half
It is interior, product is become after cooling, and then dynamic model, top plate etc. are moved and point mould relative to cover half, and the product of shaping is because of cooling meat
And rest on the core of dynamic model, now top plate is acted, and drives push rod ejecting product from core, you can remove product, so that
Complete single injection-molded.One bag of core generation that can be alignd because of cooling meat internal in shaping due to plasthetics
Mould power, therefore, in order to ensure the product after shaping can be rested on dynamic model, in order to which product is ejected by ejecting mechanism, people
Deisgn product shape and structure and mould structure when would generally make dynamic model side Bao Moli be more than cover half side bag
Mould power.For example, for the box-like product of an one end open, we can design the lateral wall of product on the die cavity of cover half,
The madial wall of product is designed on the core of dynamic model, the opening of product then constitutes the die joint of mould.So, formed product is worked as
During point mould, on the core that the product of cooling meat can rest on dynamic model in the presence of Bao Moli, the then push rod of ejecting mechanism
The madial wall of product can be promoted, so that product be separated with core, is easy to operating personnel to remove product, and ensure the outside of product
Face has smooth beautiful outward appearance.But, shape, structure and the requirement to surface of injecting products are various, examples
Such as, there is the concavo-convex product of both direction up and down for one, as it was previously stated, when formed product, can be because of fixed half and moving half two
The Bao Moli in individual direction makes product produce torsional deformation, and serious meeting makes product eventually settle on cover half, so as to lead to not
Pickup.In the prior art, people set the knot that some are aided in typically by the larger positions of the cover half Bao Moli in product
Structure, artificially increases the Bao Moli of dynamic model side, so that Bao Moli of product during shaping in dynamic model side is more than cover half one
The Bao Moli of side, but such design can be limited by product structure and use requirement etc., and can also greatly increase
The difficulty of final ejecting mechanism ejecting product, makes product occur pushing up white flaw of Denging because of excessive ejecting force, so as to cause
Product can only finally meet the injection molding demand of product by the overall structure design of change.
The content of the invention
It is easy because of cover half side office present in existing injection mould structure the invention aims to solve
Portion Bao Moli is larger, determine so as to cause the problem of product can not be rested on reliably on dynamic model there is provided one kind product can be avoided to stay
The mould structure of mould, is not only simple in structure reliable, and can ensure that dynamic model side is rested on after formed product, efficiently solve production
Product torsional deformation, even rest on the problem of leading to not pickup on cover half.
To achieve these goals, the present invention uses following technical scheme：
A kind of mould structure for avoiding product from staying cover half, including the cover half on top, the dynamic model of bottom and ejecting mechanism, it is described
Forming part corresponding with the upper and lower surface of product is respectively equipped with cover half, dynamic model, the position of correspondence forming part is provided with cover half
Can along dynamic model moving direction depression bar in axial sliding, the dynamic model is provided with depression bar lockable mechanism, and depression bar lockable mechanism makes
The depression bar keeps lockup state with dynamic model, and the cover half is provided with depression bar unlocking mechanism, dynamic model and cover half after formed product
When dividing mould, depression bar lockable mechanism makes depression bar and dynamic model synchronizing moving first, and depression bar driving product overcomes the Bao Moli of cover half side
With the forming part synchronizing moving of dynamic model；When dynamic model is moved to the forming part disengagement of product and cover half, the action of depression bar unlocking mechanism,
So as to releasing locking of the depression bar lockable mechanism to depression bar, then dynamic model is continued to move to, depression bar then rest on cover half with dynamic model point
From；When dynamic model and cover half point mould in place when, ejecting mechanism action make the moulding section of product and dynamic model from, you can taken from dynamic model
Lower product.
It is more than the Bao Moli of dynamic model forming part product for some Bao Moli in the forming part of cover half, the present invention is logical
The position for crossing the correspondence forming part on cover half sets depression bar, and makes depression bar and dynamic by the depression bar lockable mechanism being arranged on dynamic model
Mould is connected, so, and when dynamic model and cover half point mould, depression bar can follow dynamic model synchronizing moving, so that product and cover half
Forming part is forcibly separating.That is, depression bar serves the effect of a similar push rod, it is as the movement of dynamic model is by product top
From the forming part of cover half, so as to can ensure that in the forming part that product rests on dynamic model all the time in point mould, in order to eventually through
Ejecting mechanism ejects product, so as to facilitate the pickup of product, is effectively prevented from because of the bag of product diverse location fixed half and moving half
Mould power difference and occur torsional deformation in addition tear.And the depression bar unlocking mechanism on cover half then can point mould it is certain when and
When depression bar lockable mechanism is released to the locking of depression bar, depression bar is departed from the linkage in dynamic model and eventually settle at the cunning of cover half
In groove.
Sliding bar is provided with preferably, being provided with the cover half in the chute of insertion both sides, chute, the depression bar is fixed in
On sliding bar, in cover half correspondence die joint position be additionally provided with can along dynamic model moving direction locating rod in axial sliding, it is fixed
One end of position bar is fixed on sliding bar, and the other end of locating rod is flushed with the die joint of cover half.
Multiple depression bars can be set on sliding bar, so as in forming parts of the Bao Moli of multiple cover half more than the Bao Moli of dynamic model
Position sets depression bar respectively, so as to simplify the Synchronization Control to multiple depression bars.Particularly, on the one hand locating rod can play guiding
The effect of bar, is conducive to the smooth movement of sliding bar and depression bar, while can make depression bar reliable location in the axial direction, it is ensured that depression bar
Lower end flushed with the forming part surface of cover half.When dynamic model and cover half matched moulds, dynamic model can promote locating rod to move, so that sliding
Lever, depression bar parking position accuracy.
Preferably, the depression bar lockable mechanism includes being hinged on the hook bar on the outside of dynamic model, bar is hooked close to cover half one
End is provided with L-shaped drag hook, and the L-shaped drag hook hooks the end of sliding bar, and the depression bar unlocking mechanism includes being arranged on the outside of cover half
With the unblock push rod of L-shaped drag hook correspondence position, the unblock push rod is provided with driving projection close to the one end side of dynamic model, driven convex
The both sides up and down of block are respectively equipped with driving inclined-plane, and when dynamic model is with cover half point mould after formed product, hooking the L-shaped drag hook of bar makes cunning
Lever keeps synchronizing moving with dynamic model, and then makes the forming part synchronizing moving of depression bar driving product and dynamic model；When dynamic model is moved to
When driving inclined-plane on the upside of driving projection is contacted with L-shaped drag hook, driving inclined-plane driving L-shaped drag hook, so that hooking bar laterally
Rotate, and then L-shaped drag hook is disengaged with sliding bar, product and the forming part of cover half now are disengaged；When dynamic model is moved towards cover half
During dynamic and matched moulds, the driving inclined-plane on the downside of driving projection is first contacted with L-shaped drag hook, so that hook bar is laterally rotated, now
Sliding bar outer end can cross L-shaped drag hook；When locating rod is contacted with the die joint of dynamic model, you can driving sliding bar is in chute
Interior movement, until the die joint of dynamic model contacts completion matched moulds with the die joint of cover half, driving projection now crosses L-shaped drag hook,
The outer end of sliding bar reclines L-shaped drag hook and positioned.
Depression bar lockable mechanism can make sliding bar drive multiple depression bars balancedly to move in chute, and be arranged on the outside of dynamic model
Hook bar, unblock push rod etc. on the one hand convenient processing, install, while can reliably hooking sliding bar, and being conducive in production
Maintenance.Particularly, we can by adjusting length dimension of the driving projection on dynamic model moving direction, i.e., above and below two drive
The distance between inclined-plane, it is ensured that the locking to depression bar is released when the forming part of product and cover half is kept completely separate during point mould, and
The driving inclined-plane on the downside of projection is driven first to be contacted with L-shaped drag hook in matched moulds, it is to avoid to be collided between sliding bar and L-shaped drag hook
Interference.
Preferably, the dynamic model is provided with fulcrum bearing, fulcrum bearing is cut with scissors provided with groove, the bottom of the hook bar is rotated
It is connected in rotation groove, the storage tank that Long Circle is provided with the downside of fulcrum bearing is located on hook bar, dynamic model side, which is provided with, stretches into appearance
Put the retaining spring for being arranged with the lead in groove, lead and compressing and hooking bar.
Retaining spring can drive hook bar close towards cover half and sliding bar side, so that reliably hooking sliding bar,
And lead can then make retaining spring reliable location, storage tank can avoid hook bar from being interfered when rotating with lead, together
When ensure that retaining spring has reliable positioning all the time, it is to avoid it is distorted or even deviate from.
Preferably, being threaded with the adjusting screw set along dynamic model moving direction in the fulcrum bearing, hook on bar
Place is provided with locating piece on the upside of the fulcrum bearing, and the tail end on the upside of the adjusting screw is against locating piece.
When retaining spring driving, which hooks bar, to turn to the inside, the side of locating piece against adjusting screw tail end so that
Make hook bar reliable location.We can be conveniently adjusted the orientation angle for hooking bar by adjusting screw, so that it is guaranteed that hooking bar
The unblock of hooking and unblock push rod to hook bar to sliding bar.
Preferably, the forming part of cover half includes being used for the main forming part of shaped article and is arranged on main forming part edge
Assistant formation groove, connecting groove is provided between main forming part and assist formation groove, supplemented by the depth of the connecting groove
The a quarter of the depth of furtherance connected in star is to 1/3rd, and the depression bar is located at correspondence assist formation groove location.
When the upper surface of some products has a higher appearance requirement, and local cover half Bao Moli it is larger when, this hair
The bright main forming part side larger by the Bao Moli in cover half sets assist formation groove, and passes through connecting groove and cover half
Main forming part is connected.So, when product injection molding, you can an auxiliary block is molded in assist formation groove, connection
Connection sheet is then molded in groove, so that auxiliary block is linked into an integrated entity by the edge of connection sheet and product.Depression bar when dividing mould
Auxiliary block is pushed down, so as to make product rest on dynamic model side by connection sheet.After product takes out, we need to only be cut off with cutter
Connection sheet, you can make auxiliary block be separated with product, so as to obtain complete product, it is to avoid leave depression bar in the upper surface of product
Vestige.
Preferably, the upper end of the depression bar is provided with supporting studs, positioning mode is provided with depression bar and supporting studs junction
Orchid, the supporting studs are threaded on sliding bar.
The studdle on the one hand convenient connection with sliding bar, while sliding bar and depression bar can be made in the mobile side of dynamic model
Positioned upwards.Particularly, studdle can provide depression bar reliable axially support, it is to avoid the flexural deformation of sliding bar.
Preferably, the cover half includes the cover half pressing plate provided with sprue bush and is fixed on the downside of cover half pressing plate and is provided with into
The solid plate in type portion, the upper surface of the upward insertion solid plate of chute, the supporting studs stretch out the upper end of sliding bar against
The lower surface of cover half pressing plate, the upper end for stretching out sliding bar in supporting studs is arranged with spacing compression spring.
Cover half is spliced to form by cover half pressing plate and solid plate, so as to be conducive to the processing of chute, facilitates sliding bar, depression bar etc.
Installation and maintenance.And spacing compression spring can then be such that sliding bar is reliably positioned at when dynamic model divides mould in place on the bottom surface of chute.
So, during matched moulds, when the driving projection for unlocking push rod laterally rotates hook bar and is in released state, L-shaped drag hook energy
Reliably cross the end of sliding bar, it is ensured that sliding bar can be caught on by hooking bar, and avoid colliding interference with hooking bar.
Therefore, the present invention has the advantages that：It is not only simple in structure reliably, and can ensure that stop after formed product
In dynamic model side, efficiently solve product distortion deformation, even rest on the problem of leading to not pickup on cover half.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention in matched moulds state.
Fig. 2 is structural representation of the present invention when dividing mould.
In figure：1st, cover half pressing plate 11, sprue bush 2, solid plate 21, chute 22, main forming part 23, assistant formation are recessed
Groove 24, connecting groove 3, moving platen 31, fulcrum bearing 311, rotation groove 32, lead 33, detent 34, regulation
Screw 35, locking nut 4, feet 5, dynamic model pressing plate 6, top plate 61, push rod 7, sliding bar 71, sliding bar 711, support
Stud 712, locating flange 72, locating rod 73, spacing compression spring 8, hook bar 81, L-shaped drag hook 82, storage tank 83, positioning
Block 9, unblock push rod 91, driving projection 911, driving inclined-plane.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of mould structure for avoiding product from staying cover half, including the cover half on top, bottom it is dynamic
Mould and the ejecting mechanism for being arranged on dynamic model side.Process and assemble for convenience, cover half includes the cover half provided with sprue bush 11
Pressing plate 1 and the solid plate 2 being fixed in bolt on the downside of cover half pressing plate, solid plate set shaping corresponding with the upper surface of product
Portion, the downside of solid plate has a die joint.Dynamic model then includes moving platen 3, the pad of the left and right being arranged on the downside of moving platen two
Forming part corresponding with the lower surface of product, dynamic model are set on pin 4 and the dynamic model pressing plate 5 being arranged on the downside of feet, moving platen
The upside of plate has die joint, moving platen, feet, dynamic model pressing plate can be consolidated by bolt it is integral so that moving platen,
An ejection space is formed between dynamic model pressing plate and the feet of left and right two, is set in the ejection space on top plate 6, top plate
The forming part position of correspondence moving platen sets some push rods 61, so as to the ejecting product after formed product point mould.When cover half and dynamic
When mould is in matched moulds state, together with the die joint of solid plate is bonded to each other with the die joint of moving platen so that cover half into
The die cavity of a closing is constituted between type portion and the forming part of dynamic model.When the molten plastic cement of HTHP enters in die cavity,
Required product can be cooled into.Certainly, it would be desirable to which corresponding cooling water channel is set on fixed half and moving half.Due to injection
Sprue bush, ejecting mechanism, cooling water channel of mould etc. belong to the state of the art, do not do excessive description herein.
In addition, it is necessary to which cover half side is referred to as into upside in explanation, the present embodiment, dynamic model side is referred to as downside, correspondingly, point mould
When dynamic model moving direction be above-below direction, above-mentioned restriction not be directed to mould use state on horizontal injection molding machine
Direction.
It should be noted that we can be embedded moving die insert on moving platen, fixed die insert, dynamic model are embedded on solid plate
On forming part be arranged on moving die insert, the forming part on cover half is arranged on fixed die insert, so that convenient processing and manufacturing.
The present invention is more than the Bao Moli of lower surface correspondence position product suitable for the local Bao Moli of upper surface, that is,
Say, when in the prior art, such product is moved after shaping, cover half divides mould, a part for product can be wrapped in the shaping of dynamic model
In portion, another part of product can be then wrapped in the forming part of cover half, so as to cause the tearing of product, torsional deformation, even
Cause whole product to eventually settle at cover half side, make product can not pickup.
In order to ensure the product after shaping rests on dynamic model side, it would be desirable to set insertion two in the upper surface of solid plate
The sliding bar 7 that can slide up and down is set in the chute 21 of side, chute, and chute is stretched out in the left and right ends of sliding bar.On solid plate
Correspondence forming part position set can along dynamic model moving direction（That is above-below direction）Under depression bar 71 in axial sliding, depression bar
End face is flushed with the forming part surface of solid plate, and the upper end of depression bar is coaxially disposed integral supporting studs 711, and in depression bar and
Supporting studs junction sets the locating flange 712 radially extended out, and supporting studs are threaded on sliding bar, and locating flange
Then recline the lower surface of sliding bar, so that sliding bar is positioned in above-below direction.The length of supporting studs is more than sliding bar
Thickness so that supporting studs stretch out sliding bar upper end against cover half pressing plate lower surface, so, you can sliding bar with
Leaving gap between cover half pressing plate, and depression bar then can obtain the secure support of supporting studs.
In addition, it would be desirable to which depression bar lockable mechanism is set on dynamic model, depression bar unlocking mechanism is set on cover half.Work as product
When dynamic model is with cover half point mould after shaping, depression bar lockable mechanism makes depression bar keep lockup state with dynamic model, so that depression bar and dynamic model
Synchronizing moving, correspondingly, depression bar driving product overcome the Bao Moli of cover half side and the forming part synchronizing moving of dynamic model；Work as dynamic model
When the forming part for being moved to product and cover half is disengaged, the Bao Moli of cover half side disappears, and now depression bar unlocking mechanism releases depression bar
Lockable mechanism is continued to move to the locking of depression bar, dynamic model, and depression bar is then rested on solid plate and separated with dynamic model；When dynamic model and cover half
Point mould in place when, ejecting mechanism action make the moulding section of product and dynamic model from, you can product is removed from dynamic model.
Further, we can correspondence die joint position setting 2 can be fixed in axial sliding along above-below direction in solid plate
Position bar 72, the upper end of locating rod is fixed on sliding bar, and the lower end of locating rod is flushed with the die joint of cover half.Locating rod can be played
The effect of guide rod, is conducive to the smooth movement of sliding bar and depression bar, while can make depression bar reliable location in the axial direction, it is ensured that
The lower end of depression bar is flushed with the forming part surface of cover half.
Processing and manufacturing and follow-up maintenance for convenience, the present invention sets depression bar lockable mechanism in the outside of dynamic model, accordingly
Ground, depression bar unlocking mechanism is set in the outside of cover half.Specifically, depression bar lockable mechanism includes being arranged on vertically square on the outside of dynamic model
To the hook bar 8 of arrangement, set on the side of moving platen bottom in fulcrum bearing 31, fulcrum bearing and set the rotation of a U-shaped recessed
Groove 311, the bottom for hooking bar is hinged in the rotation groove of U-shaped by jointed shaft.Hook and be located on bar above fulcrum bearing and lean on
The upper end of nearly cover half side is provided with L-shaped drag hook 81, and L-shaped drag hook hooks the end that sliding bar stretches out chute.It is understood that pressure
Lever lock locking mechanism should preferably set two, and be separately positioned on the left and right sides of dynamic model, that is to say, that we can be in dynamic model
The left and right sides sets hook bar respectively, the L-shaped drag hooks of two hook bars can hooking sliding bar simultaneously left and right ends so that sliding
Lever can be slided evenly.
In addition, being arranged one on the horizontal lead 32 of the side correspondence hook bar lower end position setting of dynamic model, lead
Individual retaining spring 33, one end of retaining spring compresses dynamic model side, and the other end compresses the side for hooking and being located on bar below fulcrum bearing
Face, so as to drive the upper end for hooking bar to be rotated towards inner side, L-shaped drag hook can hooking sliding bar.In addition, hook bar on the downside of with
The storage tank 82 of a Long Circle is can be set in lead corresponding position, and lead is then stretched into storage tank, so that retaining spring begins
Effective positioning is can obtain eventually, it is to avoid retaining spring is distorted or even deviate from, and the storage tank of Long Circle can avoid hooking bar
Interfered when rotating with lead.
We can also be threadedly coupled an adjusting screw set along the vertical direction 34 in fulcrum bearing, hook and be located on bar
Tail end on the upside of one locating piece 83, adjusting screw is set against locating piece, so that it is reliably fixed to hook bar on the upside of fulcrum bearing
Position.When we rotate adjusting screw, you can pass through the orientation angle of locating piece adjustable hook peg.Certainly, we can be in regulation
The tail end that screw protrudes upward fulcrum bearing sets a locking nut 35, so that adjusting screw locking, it is to avoid it loosens
Voluntarily rotate.
The depression bar unlocking mechanism of the present invention is corresponding with depression bar lockable mechanism, it is therefore preferred that depression bar unlocking mechanism
Quantity be two, and be separately positioned on the left and right sides of cover half.Specifically, depression bar unlocking mechanism includes being arranged on the outside of cover half
With the unblock push rod 9 of L-shaped drag hook correspondence position, the unblock push rod is arranged and positioned at the hook of cover half with corresponding side along the vertical direction
Between peg, the lower end for unlocking push rod sets driving projection 91 close to the lateral surface for hooking bar, and the driving projection is equally vertically
Direction extends, and a chamfering is set respectively in the outward flange of the upper and lower both sides of driving projection, so as to constitute driving inclined-plane 911.When
When dynamic model is with cover half point mould after formed product, the L-shaped drag hook of two hook bars makes sliding bar keep synchronizing moving with dynamic model, and then
Depression bar is set to drive the forming part synchronizing moving of product and dynamic model, and the unblock push rod being arranged on cover half then produces phase with hooking bar
To displacement；When dynamic model is moved to certain position, the driving inclined-plane on the upside of driving projection is contacted with L-shaped drag hook, and driving inclined-plane is driven
Dynamic L-shaped drag hook is displaced outwardly, and is hooked bar and is laterally rotated, until L-shaped drag hook is disengaged with sliding bar, product now and cover half
Forming part is disengaged, and now sliding bar is rested in the chute of cover half, and drives projection then mutually to be sticked together with L-shaped drag hook；
When dynamic model and cover half divide mould in place, the L-shaped drag hook of unblock push rod and hook bar is kept completely separate, and depression bar is disengaged with product, now
Ejecting mechanism product can be ejected from the forming part of dynamic model, so as to easily pickup, with complete product once into
Type process；When dynamic model is moved and during matched moulds, the driving inclined-plane on the downside of driving projection is first contacted with L-shaped drag hook towards cover half, so that
Laterally rotate hook bar, sliding bar outer end now can cross L-shaped drag hook；When locating rod is contacted with the die joint of dynamic model
When, you can driving sliding bar is moved in chute, until the die joint of dynamic model contacts completion matched moulds with the die joint of cover half, now
Driving projection cross L-shaped drag hook, the outer end of sliding bar then reclines L-shaped drag hook and positioned.
It should be noted that the upper end that we can stretch out sliding bar in supporting studs is arranged a spacing compression spring 73, so,
When the forming part that dynamic model and cover half start a point mould, product and cover half is disengaged, L-shaped drag hook is disengaged with sliding bar, and spacing compression spring
Can then sliding bar be continued to move to, until being positioned at the bottom surface of chute.That is, when L-shaped drag hook and sliding bar are disengaged, it is sliding
Spacing should be left between lever and the bottom surface of chute, so that when avoiding the sliding bar from the moving and bottom surface of chute produces interference.This
Outside, the width of L-shaped drag hook should be greater than the width of sliding bar, and unlock push rod and be then positioned close at sliding bar.So, L-shaped is worked as
When drag hook hooks slip boom end, the part downside of L-shaped drag hook is abutted on sliding bar upper side, and unlocks the driving of push rod
Inclined-plane then can be with L-shaped drag hook remainder contacts side surfaces.
When the upper surface of some products, local cover half Bao Moli is larger, that is to say, that in shaping point mould, product at this
Easily there is bag cover half phenomenon, and product has higher appearance requirement in the upper surface of the position, and therefore, the position is uncomfortable
Depression bar is preferably set.Therefore, we the forming part on solid plate can be arranged to it is corresponding with the upper surface of product, for be molded production
The main forming part 22 of product, and the assistant formation groove 23 positioned at main forming part edge, main forming part and assist formation groove it
Between connecting groove 24 is set, a quarter of the depth of furtherance connected in star is to 1/3rd supplemented by the depth of connecting groove.Accordingly
Ground, depression bar is then arranged on the position of correspondence assist formation groove in solid plate, now the lower end of depression bar and assist formation groove
Bottom surface is flushed.So, when product injection molding, you can an auxiliary block, connecting groove are molded in assist formation groove
Connection sheet is inside then molded, so that auxiliary block is linked into an integrated entity by the edge of connection sheet and product, auxiliary block becomes production
The external extension of product.When dividing mould, depression bar pushes down auxiliary block, so as to make product rest on dynamic model side by connection sheet.Certainly, when
After product takes out, we need to cut off connection sheet with cutter, auxiliary block is separated with product, so as to obtain complete product.Also
It is to say, by setting assist formation groove, had both can ensure that the larger products of the Bao Moli of cover half side rested on dynamic model when dividing mould
Side, while can avoid leaving the vestige of depression bar in the region that the upper surface of product has high requirement.It is understood that auxiliary
Furtherance connected in star should be arranged on the main forming part edge of the larger positions of Bao Moli of correspondence cover half.
Claims (8)
1. a kind of mould structure for avoiding product from staying cover half, including the cover half on top, the dynamic model of bottom and ejecting mechanism, institute
State cover half, be respectively equipped with forming part corresponding with the upper and lower surface of product on dynamic model, it is characterized in that, the correspondence shaping on cover half
The position in portion provided with can along dynamic model moving direction depression bar in axial sliding, the dynamic model is provided with depression bar lockable mechanism, pressure
Lever lock locking mechanism makes the depression bar keep lockup state with dynamic model, and the cover half is provided with depression bar unlocking mechanism, works as formed product
When dynamic model is with cover half point mould afterwards, depression bar lockable mechanism makes depression bar and dynamic model synchronizing moving first, and depression bar driving product overcomes cover half
The Bao Moli of side and the forming part synchronizing moving of dynamic model；When dynamic model is moved to the forming part disengagement of product and cover half, depression bar
Unlocking mechanism is acted, so as to release locking of the depression bar lockable mechanism to depression bar, then dynamic model is continued to move to, and depression bar then rests on fixed
Separated on mould with dynamic model；When dynamic model and cover half divide mould in place, ejecting mechanism action makes the moulding section of product and dynamic model from that is,
Product can be removed from dynamic model.
2. a kind of mould structure for avoiding product from staying cover half according to claim 1, it is characterized in that, set in the cover half
Have and sliding bar is provided with the chute of insertion both sides, chute, the depression bar is fixed on sliding bar, the correspondence die joint position in cover half
Put be additionally provided with can along dynamic model moving direction locating rod in axial sliding, one end of locating rod is fixed on sliding bar, positioned
The other end of bar is flushed with the die joint of cover half.
3. a kind of mould structure for avoiding product from staying cover half according to claim 2, it is characterized in that, the depression bar locking
Mechanism includes being hinged on the hook bar on the outside of dynamic model, hooks bar and is provided with L-shaped drag hook close to cover half one end, the L-shaped drag hook is hooked
The end of sliding bar, the depression bar unlocking mechanism includes being arranged on the unblock push rod on the outside of cover half with L-shaped drag hook correspondence position, institute
Unblock push rod is stated close to the one end side of dynamic model provided with driving projection, the both sides up and down of driving projection are respectively equipped with driving inclined-plane,
When dynamic model is with cover half point mould after formed product, hooking the L-shaped drag hook of bar makes sliding bar keep synchronizing moving with dynamic model, and then makes
Depression bar drives the forming part synchronizing moving of product and dynamic model；When the driving inclined-plane that dynamic model is moved on the upside of driving projection and L-shaped are drawn
When clasp joint is touched, driving inclined-plane driving L-shaped drag hook is laterally rotated, and then L-shaped drag hook is taken off with sliding bar so that hooking bar
Open, product and the forming part of cover half now are disengaged；When dynamic model towards cover half move and during matched moulds, the driving on the downside of driving projection
Inclined-plane is first contacted with L-shaped drag hook, is laterally rotated so that hooking bar, sliding bar outer end now can cross L-shaped drag hook；When
When locating rod is contacted with the die joint of dynamic model, you can driving sliding bar is moved in chute, until the die joint and cover half of dynamic model
Die joint contact complete matched moulds, driving projection now crosses L-shaped drag hook, and the outer end of sliding bar reclines L-shaped drag hook and positioned.
4. a kind of mould structure for avoiding product from staying cover half according to claim 1, it is characterized in that, set on the dynamic model
There is fulcrum bearing, fulcrum bearing is rotating in groove provided with groove, the lower hinge of the hook bar is rotated, hooking and be located at branch on bar
The storage tank of Long Circle is provided with the downside of bearing, dynamic model side is provided with the lead stretched into storage tank, lead and is arranged with
Compress the retaining spring for hooking bar.
5. a kind of mould structure for avoiding product from staying cover half according to claim 1, it is characterized in that, in the fulcrum bearing
The adjusting screw set along dynamic model moving direction is threaded with, hooks and is provided with locating piece, institute at being located on bar on the upside of fulcrum bearing
Tail end on the upside of adjusting screw is stated against locating piece.
6. a kind of mould structure for avoiding product from staying cover half according to claim 5, it is characterized in that, the forming part of cover half
Including the main forming part for shaped article and it is arranged on the assistant formation groove at main forming part edge, main forming part and auxiliary
Connecting groove is provided between forming pockets, a quarter of the depth of furtherance connected in star is to three supplemented by the depth of the connecting groove
/ mono-, the depression bar is located at correspondence assist formation groove location.
7. a kind of mould structure for avoiding product from staying cover half according to claim 4, it is characterized in that, the depression bar it is upper
End is provided with supporting studs, is provided with locating flange in depression bar and supporting studs junction, the supporting studs are threaded in slip
On bar.
8. a kind of mould structure for avoiding product from staying cover half according to claim 7, it is characterized in that, the cover half includes
Cover half pressing plate and the solid plate for being fixed on the downside of cover half pressing plate and being provided with forming part, the upward insertion of chute provided with sprue bush
The upper surface of solid plate, the supporting studs stretch out the upper end of sliding bar against the lower surface of cover half pressing plate, are stretched in supporting studs
The upper end for going out sliding bar is arranged with spacing compression spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194350.XA CN106976208B (en) | 2017-03-28 | 2017-03-28 | Die structure capable of avoiding product remaining die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194350.XA CN106976208B (en) | 2017-03-28 | 2017-03-28 | Die structure capable of avoiding product remaining die |
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| CN106976208A true CN106976208A (en) | 2017-07-25 |
| CN106976208B CN106976208B (en) | 2022-09-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825681A (en) * | 2017-12-20 | 2018-03-23 | 中山市雅乐思商住电器有限公司 | Mold closing sequence control mechanism |
| CN109130021A (en) * | 2018-11-22 | 2019-01-04 | 常州大学 | Cover half demoulding mechanism |
| WO2019052260A1 (en) * | 2017-09-14 | 2019-03-21 | 丁勇军 | Injection mould capable of preventing demoulding shrinkage |
| CN111619075A (en) * | 2020-06-04 | 2020-09-04 | 陈辉 | Injection mold convenient to take off material |
| CN112976496A (en) * | 2021-02-21 | 2021-06-18 | 上海华聚橡塑制品有限公司 | Injection molding mould of high quality drawing of patterns |
| CN115447078A (en) * | 2022-09-16 | 2022-12-09 | 杭州中瑧科技有限公司 | Mould of separation injection molding |
| CN116786789A (en) * | 2023-08-24 | 2023-09-22 | 浙江华朔科技股份有限公司 | Die casting die for new energy automobile products |
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| CN104801691A (en) * | 2015-03-12 | 2015-07-29 | 宁波市北仑华盛模具厂 | Die-casting die capable of preventing product from wrapping upper die |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019052260A1 (en) * | 2017-09-14 | 2019-03-21 | 丁勇军 | Injection mould capable of preventing demoulding shrinkage |
| CN107825681A (en) * | 2017-12-20 | 2018-03-23 | 中山市雅乐思商住电器有限公司 | Mold closing sequence control mechanism |
| CN109130021A (en) * | 2018-11-22 | 2019-01-04 | 常州大学 | Cover half demoulding mechanism |
| CN111619075A (en) * | 2020-06-04 | 2020-09-04 | 陈辉 | Injection mold convenient to take off material |
| CN111619075B (en) * | 2020-06-04 | 2021-11-19 | 佛山市雅航精密注塑有限公司 | Injection mold convenient to take off material |
| CN112976496A (en) * | 2021-02-21 | 2021-06-18 | 上海华聚橡塑制品有限公司 | Injection molding mould of high quality drawing of patterns |
| CN115447078A (en) * | 2022-09-16 | 2022-12-09 | 杭州中瑧科技有限公司 | Mould of separation injection molding |
| CN116786789A (en) * | 2023-08-24 | 2023-09-22 | 浙江华朔科技股份有限公司 | Die casting die for new energy automobile products |
| CN116786789B (en) * | 2023-08-24 | 2023-12-19 | 浙江华朔科技股份有限公司 | Die casting die for new energy automobile products |
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| CN106976208B (en) | 2022-09-20 |
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